don't take chantix if you've had a serious allergic or skin reaction to it. if you develop these stop taking chantix and see your doctor right away as some can be life-threatening. if you have a history of heart or blood vessel problems, tell your doctor if you have new or worse symptoms. get medical help right away if you have symptoms of a heart attack. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. it helps to have people around you... they say, you're much bigger than this. and you are. [ male announcer ] ask your doctor if chantix is right for you. hand-carved on the side of a cliff is the guoliang tunnel. what?! you've got to be kidding me. [ derek ] i've never seen a road like this. there's jagged rock all the way around. this is really gonna test the ats on all levels. [ derek ] this road is the most uneven surface, and it gets very narrow. magnetic ride control is going to be working hard. the shock absorbers react to the road 1,000 times a second. it keeps you firmly in contr